Privilege escalation in Zoom Client and Zoom Rooms for Windows

1) Improper Privilege Management

EUVDB-ID: #VU79129

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39211

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 5.0.0 23168.0427 - 5.15.3 18551

Zoom Rooms Client for Windows: 5.0.0 1420.0426 - 5.15.1 2993

CPE2.3

• cpe:2.3:a:zoom_video_communications:zoom_client_for_windows:5.0.0:23168.0427:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_windows:5.0.1:23502.0430:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_windows:5.0.2:24046.0510:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:5.0.0:1420.0426:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:5.0.2:1459.0524:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:5.0.4:1469.0529:*:*:*:*:*:*

External links

https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23036

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.